%0 Journal Article %T Evaluating Cost Structure and Economies of Scale of Beef Cattle Fattening Farms in Mashhad City %A Alizadeh, Parisa %A Mohammadi, Hosein %A Shahnoushi Foroushani, Naser %A Sayed Hossein Saghaian %A Pooya, Alireza %J Journal of Agricultural Science and Technology %@ 1680-7073 %D 2019